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<p>It seems we are the only distros (with Mandriva) building syslinux with system libpng.</p>
<div class="gmail_quote">2011-9-30 上午2:41&quot;Erwan Velu&quot; &lt;<a href="mailto:erwanaliasr1@gmail.com">erwanaliasr1@gmail.com</a>&gt;写道:<br type="attribution">&gt; Le 28/09/2011 22:13, D.Morgan a écrit :<br>&gt;&gt; On Wed, Sep 28, 2011 at 9:56 PM, Erwan Velu&lt;<a href="mailto:erwanaliasr1@gmail.com">erwanaliasr1@gmail.com</a>&gt;  wrote:<br>
&gt;&gt;&gt; I&#39;m currently updating Syslinux 4.04 and I&#39;m currently facing a trouble as,<br>&gt;&gt;&gt; historically speaking, we do remove the included libpng by the system one.<br>&gt;&gt;&gt;<br>&gt;&gt;&gt; The compilation process fails. I was wondering if we really consider<br>
&gt;&gt;&gt; replacing the libpng of syslinux as a security issue.<br>&gt;&gt;&gt;<br>&gt;&gt;&gt; Sec team ? What&#39;s your opinion on it ?<br>&gt;&gt;&gt;<br>&gt;&gt;&gt; Cheers,<br>&gt;&gt;&gt;<br>&gt;&gt; hi,<br>&gt;&gt;<br>
&gt;&gt; i take my security hat on, we prefer when possible when we use the system libs.<br>&gt;&gt; i have not looked but which libpng is included ?<br>&gt; <br>&gt; It take the libpng-source to replace the current syslinux code.<br>
&gt; <br>&gt; The point is syslinux is a bootloader that obviously don&#39;t share libs <br>&gt; with the rest of the system.<br>&gt; Considering that we can attack the bootloader via a picture means you <br>&gt; compromized the picture. If you can change the picture located at /boot, <br>
&gt; means that you can compromize the booting parameters too.<br>&gt; <br>&gt; So if we take this road of removing bootloader&#39;s libs, shall we also <br>&gt; remove the jpeg/gz/gcc/... libs too, and maybe for other bootloaders too ?<br>
&gt; <br>&gt; I do understand the need for the application that runs under linux... <br>&gt; but about the bootloaders...<br>&gt; <br>&gt; What&#39;s your thoughts about it ?<br>&gt; Would you agree on keep syslinux untouched regarding the png lib ?<br>
&gt; <br></div>